Iranian President Hassan Rouhani waves after casting his vote during elections for the parliament and Assembly of Experts, which has the power to appoint and dismiss the supreme leader, in Tehran in this February 26, 2016 file photo. Rouhani won an emphatic vote of confidence and reformist partners secured surprise gains in parliament in early results from elections that could accelerate the Islamic Republic's emergence from years of isolation. REUTERS/President.ir/Handout via ReutersATTENTION EDITORS - THIS IMAGE WAS PROVIDED BY A THIRD PARTY. REUTERS IS UNABLE TO INDEPENDENTLY VERIFY THE AUTHENTICITY, CONTENT, LOCATION OR DATE OF THIS IMAGE. IT IS DISTRIBUTED EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS. NO RESALES. NO ARCHIVE. TPX IMAGES OF THE DAY